ATSAMD21G18A-MU vs ATSAMD21J17A-AF Comparison
Detailed side-by-side comparison of ATSAMD21G18A-MU by Microchip Technology and ATSAMD21J17A-AF by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21G18A-MU - 256KB Flash Cortex-M0+ MCU, 48MHz | Microchip
ATSAMD21G18A-MU ✓ ActiveMicrochip Technology
ATSAMD21J17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash, USB | Microchip
ATSAMD21J17A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-MU | ATSAMD21J17A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.15 | $2.65 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21 (FuSa / IEC 60730 Class B) | — |
| Max CPU Frequency | 48 MHz | — |
| Flash Memory | 256 KB | 128 KB (with 4 KB RWW) |
| SRAM | 32 KB | 16 KB |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Package | 48-pin QFN (7x7 mm) | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit, 350 ksps |
| SERCOM Modules | 6 (each configurable as USART / I2C / SPI / LIN) | 6 (each configurable as I2C/SPI/UART/USART) |
| Timers/Counters | TC (8-bit / 16-bit), TCC (16-bit PWM) | 8 (TC) plus RTC |
| RTC | 32-bit RTC with calendar | — |
| GPIOs | 38 | — |
| DMA Channels | 12 | 12 |
| Event System Channels | 12 | — |
| Touch Peripheral | PTC (Peripheral Touch Controller) | — |
| RoHS Status | Compliant (Green) | Compliant (Pb-free, GREEN per supplier) |
| Maximum Clock Frequency | — | 48 MHz |
| CoreMark Score | — | 2.46 CoreMark/MHz (~118 CoreMark) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40C to +125C (industrial) |
| Mounting Type | — | Surface Mount (Gull-wing) |
| USB Interface | — | USB 2.0 Full-Speed Device with on-chip transceiver |
| MSL Level | — | 3 (168 hours) |